xref: /openbmc/linux/fs/gfs2/super.h (revision 97fd734b)
17336d0e6SThomas Gleixner /* SPDX-License-Identifier: GPL-2.0-only */
2b3b94faaSDavid Teigland /*
3b3b94faaSDavid Teigland  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
43a8a9a10SSteven Whitehouse  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
5b3b94faaSDavid Teigland  */
6b3b94faaSDavid Teigland 
7b3b94faaSDavid Teigland #ifndef __SUPER_DOT_H__
8b3b94faaSDavid Teigland #define __SUPER_DOT_H__
9b3b94faaSDavid Teigland 
10b2760583SSteven Whitehouse #include <linux/fs.h>
11b2760583SSteven Whitehouse #include <linux/dcache.h>
12f2f7ba52SSteven Whitehouse #include "incore.h"
13f2f7ba52SSteven Whitehouse 
146f04c1c7SSteven Whitehouse extern void gfs2_lm_unmount(struct gfs2_sbd *sdp);
15b3b94faaSDavid Teigland 
16b3b94faaSDavid Teigland static inline unsigned int gfs2_jindex_size(struct gfs2_sbd *sdp)
17b3b94faaSDavid Teigland {
18b3b94faaSDavid Teigland 	unsigned int x;
19b3b94faaSDavid Teigland 	spin_lock(&sdp->sd_jindex_spin);
20b3b94faaSDavid Teigland 	x = sdp->sd_journals;
21b3b94faaSDavid Teigland 	spin_unlock(&sdp->sd_jindex_spin);
22b3b94faaSDavid Teigland 	return x;
23b3b94faaSDavid Teigland }
24b3b94faaSDavid Teigland 
258633ecfaSSteven Whitehouse extern void gfs2_jindex_free(struct gfs2_sbd *sdp);
26fefc03bfSSteven Whitehouse 
276f04c1c7SSteven Whitehouse extern struct gfs2_jdesc *gfs2_jdesc_find(struct gfs2_sbd *sdp, unsigned int jid);
286f04c1c7SSteven Whitehouse extern int gfs2_jdesc_check(struct gfs2_jdesc *jd);
296f04c1c7SSteven Whitehouse extern int gfs2_lookup_in_master_dir(struct gfs2_sbd *sdp, char *filename,
30b3b94faaSDavid Teigland 				     struct gfs2_inode **ipp);
31b3b94faaSDavid Teigland 
326f04c1c7SSteven Whitehouse extern int gfs2_make_fs_rw(struct gfs2_sbd *sdp);
331f52aa08SAndrew Price extern int gfs2_make_fs_ro(struct gfs2_sbd *sdp);
348633ecfaSSteven Whitehouse extern void gfs2_online_uevent(struct gfs2_sbd *sdp);
356f04c1c7SSteven Whitehouse extern int gfs2_statfs_init(struct gfs2_sbd *sdp);
366f04c1c7SSteven Whitehouse extern void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
376f04c1c7SSteven Whitehouse 			       s64 dinodes);
381946f70aSBenjamin Marzinski extern void gfs2_statfs_change_in(struct gfs2_statfs_change_host *sc,
391946f70aSBenjamin Marzinski 				  const void *buf);
4073092698SAbhi Das extern void gfs2_statfs_change_out(const struct gfs2_statfs_change_host *sc,
4173092698SAbhi Das 				   void *buf);
421946f70aSBenjamin Marzinski extern void update_statfs(struct gfs2_sbd *sdp, struct buffer_head *m_bh,
431946f70aSBenjamin Marzinski 			  struct buffer_head *l_bh);
448c42d637SSteven Whitehouse extern int gfs2_statfs_sync(struct super_block *sb, int type);
452e60d768SBenjamin Marzinski extern void gfs2_freeze_func(struct work_struct *work);
46b3b94faaSDavid Teigland 
4797fd734bSAbhi Das extern void free_local_statfs_inodes(struct gfs2_sbd *sdp);
4897fd734bSAbhi Das extern struct inode *find_local_statfs_inode(struct gfs2_sbd *sdp,
4997fd734bSAbhi Das 					     unsigned int index);
502a27b755SAndreas Gruenbacher extern void free_sbd(struct gfs2_sbd *sdp);
512a27b755SAndreas Gruenbacher 
52b2760583SSteven Whitehouse extern struct file_system_type gfs2_fs_type;
53b2760583SSteven Whitehouse extern struct file_system_type gfs2meta_fs_type;
54b2760583SSteven Whitehouse extern const struct export_operations gfs2_export_ops;
55b2760583SSteven Whitehouse extern const struct super_operations gfs2_super_ops;
5692cecbbfSAl Viro extern const struct dentry_operations gfs2_dops;
57b7bb0a12SStephen Hemminger extern const struct xattr_handler *gfs2_xattr_handlers[];
58b2760583SSteven Whitehouse 
59b3b94faaSDavid Teigland #endif /* __SUPER_DOT_H__ */
60b3b94faaSDavid Teigland 
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